AU6781887A - Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems - Google Patents

Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems

Info

Publication number
AU6781887A
AU6781887A AU67818/87A AU6781887A AU6781887A AU 6781887 A AU6781887 A AU 6781887A AU 67818/87 A AU67818/87 A AU 67818/87A AU 6781887 A AU6781887 A AU 6781887A AU 6781887 A AU6781887 A AU 6781887A
Authority
AU
Australia
Prior art keywords
channel
temperature sensor
hot melt
closed loop
heating systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU67818/87A
Other versions
AU579088B2 (en
Inventor
Mark J. Ignatius
Philip F. Locke Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nordson Corp
Original Assignee
Nordson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nordson Corp filed Critical Nordson Corp
Publication of AU6781887A publication Critical patent/AU6781887A/en
Application granted granted Critical
Publication of AU579088B2 publication Critical patent/AU579088B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
  • Control Of Resistance Heating (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
AU67818/87A 1986-01-22 1987-01-20 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems Ceased AU579088B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US821005 1986-01-22
US06/821,005 US4716519A (en) 1986-01-22 1986-01-22 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems

Publications (2)

Publication Number Publication Date
AU6781887A true AU6781887A (en) 1987-07-23
AU579088B2 AU579088B2 (en) 1988-11-10

Family

ID=25232256

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67818/87A Ceased AU579088B2 (en) 1986-01-22 1987-01-20 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems

Country Status (6)

Country Link
US (1) US4716519A (en)
EP (1) EP0235393B1 (en)
JP (1) JP2530831B2 (en)
AU (1) AU579088B2 (en)
CA (1) CA1259375A (en)
DE (2) DE3680514D1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866363A (en) * 1987-09-21 1989-09-12 Honeywell Inc. Fail-safe potentiometer feedback system
US4967712A (en) * 1987-11-12 1990-11-06 Injection Research Specialists, Inc. Two-cycle engine with electronic fuel injection
US4901701A (en) * 1987-11-12 1990-02-20 Injection Research Specialists, Inc. Two-cycle engine with electronic fuel injection
AU2684888A (en) * 1988-01-21 1989-07-27 Honeywell Inc. Fuel burner control system with analog sensors
JPH02225860A (en) * 1989-12-27 1990-09-07 Aisin Aw Co Ltd Direct-coupled clutch for hydraulic power transmission
JPH02225861A (en) * 1989-12-27 1990-09-07 Aisin Aw Co Ltd Direct-coupled clutch for hydraulic power transmission
JPH02225859A (en) * 1989-12-27 1990-09-07 Aisin Aw Co Ltd Direct-coupled clutch for hydraulic power transmission
US5324915A (en) * 1990-01-18 1994-06-28 Honeywell Inc. Microcontroller controlled input protection
EP2073983A4 (en) * 2006-10-09 2012-08-01 Silverbrook Res Pty Ltd Printhead ic with open actuator test
WO2017109954A1 (en) * 2015-12-25 2017-06-29 理化工業株式会社 Load control device and current measurement method for load control device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758981A (en) * 1969-11-14 1971-05-17 Westinghouse Electric Corp OPERATING ERROR CONTROL SYSTEM OF AN INDUSTRIAL PROCESS
US4031355A (en) * 1975-03-31 1977-06-21 Leonik Jr Stephen A Multi-channel temperature responsive process control system
US4115860A (en) * 1977-06-02 1978-09-19 Lockheed Electronics Co., Inc. Plural load power controller with time-shared processor
DE3030294A1 (en) * 1980-08-09 1982-03-11 Gossen Gmbh, 8520 Erlangen Fault monitoring of temperature regulator - using heating circuit with switching circuit to provide protection against fault in thermal sensor
JPS5750781A (en) * 1980-09-10 1982-03-25 Nippon Electric Co Heater disconnection detecting circuit
JPS5778218A (en) * 1980-10-31 1982-05-15 Matsushita Electric Ind Co Ltd Discrimination system
JPS5784474U (en) * 1980-11-14 1982-05-25
DE3043723A1 (en) * 1980-11-20 1982-06-24 Pfister Gmbh, 8900 Augsburg METHOD AND DEVICE FOR CHECKING THE FUNCTIONS OF A DISPLAY SYSTEM
DE3127024A1 (en) * 1981-07-09 1983-01-20 Brown, Boveri & Cie Ag, 6800 Mannheim CIRCUIT FOR OPERATING, MONITORING AND TROUBLESHOOTING A SINGLE-CHANNEL AIR-CONDITIONER
JPS5748668A (en) * 1981-07-16 1982-03-20 Anritsu Corp Operation detector for lamp
US4577149A (en) * 1982-07-06 1986-03-18 Sperry Corporation Detection of catastrophic failure of dielectric, improper connection, and temperature of a printed circuit assembly via one wire
JPS5946864A (en) * 1982-09-10 1984-03-16 Hitachi Ltd Detection of heater leak
US4574871A (en) * 1984-05-07 1986-03-11 Parkinson David W Heat pump monitor apparatus for fault detection in a heat pump system

Also Published As

Publication number Publication date
AU579088B2 (en) 1988-11-10
DE3680514D1 (en) 1991-08-29
JPS62172680A (en) 1987-07-29
JP2530831B2 (en) 1996-09-04
US4716519A (en) 1987-12-29
DE3679200D1 (en) 1991-06-13
EP0235393A1 (en) 1987-09-09
EP0235393B1 (en) 1991-07-24
CA1259375A (en) 1989-09-12

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